Reorganized sys functions

lib/sys/proc_linux.q

@@ -0,0 +1,19 @@
+clone(flags Int, stack Pointer) -> Int {
+	return syscall(56, flags, stack)
+}
+
+fork() -> Int {
+	return syscall(57)
+}
+
+execve(path Pointer, argv Pointer, envp Pointer) -> Int {
+	return syscall(59, path, argv, envp)
+}
+
+exit(status Int) {
+	syscall(60, status)
+}
+
+waitid(type Int, id Int, info Pointer, options Int) -> Int {
+	return syscall(247, type, id, info, options)
+}